CN220955801U

CN220955801U - Integrated type temperature-saving structure of water inlet side of diesel engine

Info

Publication number: CN220955801U
Application number: CN202322828412.1U
Authority: CN
Inventors: 常鑫; 何述超; 王希武; 宋兴怀
Original assignee: Kunming Yunnei Power Co Ltd
Current assignee: Kunming Yunnei Power Co Ltd
Priority date: 2023-10-22
Filing date: 2023-10-22
Publication date: 2024-05-14
Anticipated expiration: 2033-10-22

Abstract

The utility model relates to an integrated temperature-saving structure on the water inlet side of a diesel engine, which is applicable to the field of automobile engines and comprises a machine body, a water inlet connecting pipe, a thermostat, a water pump, a small-cycle water return port and a machine body water return port, wherein the water inlet connecting pipe, the thermostat, the water pump, the small-cycle water return port and the machine body water return port are arranged on the machine body; wherein, thermostat one end sets up the water inlet and takes over, and the thermostat is arranged in the water inlet department of water pump, and water pump one side is equipped with the little circulation water return mouth, and the water pump below is equipped with the organism water return mouth, and little circulation water return mouth is located thermostat one side, and the organism water return mouth is located the thermostat below. The utility model has novel structure, compact arrangement and strong applicability. The water inlet connecting pipe and the water pump body mounting seat are made of cast aluminum, so that the water pump is light and attractive, and is a compact and efficient size circulation control scheme.

Description

Integrated type temperature-saving structure of water inlet side of diesel engine

Technical Field

The utility model is suitable for the field of automobile engines, is effectively applied to the fields of commercial vehicles and passenger vehicles, and has better use effect than other schemes.

Background

In the field of automobile engines, according to different arrangement positions of the thermostats, the thermostat can be divided into a water inlet side thermostat and a water outlet side thermostat, the thermostats in the two modes have advantages and disadvantages, and in combination with the diesel engine products in recent years, the thermostat on the water outlet side which is mostly adopted or has huge volume gradually becomes the main stream with the continuous upgrading of energy saving and environmental protection requirements. The thermostat differences of the two modes are compared as follows.

Water inlet side thermostat: the thermostat is integrated at the water inlet of the water pump, the detected water temperature is the water temperature around the thermostat and in the cylinder body, the temperature rise and the temperature drop are also fast because of small water quantity, the thermostat is closed during the cooling, the negative pressure is avoided to bring partial cooling water of the water tank into the engine body, and the time for the oil temperature to reach the optimal temperature at the time of low temperature is prolonged. Therefore, the thermostat is designed on the engine at the water inlet of the water pump, the warm-up time of the engine can be effectively shortened, and the engine runs stably and has low fuel consumption during cold engine.

Water outlet side thermostat: the water temperature that temperature ware dress was in the delivery port department on the engine cylinder lid, the temperature of detecting is the cooling water in the whole engine cylinder body, and the water pump negative pressure is carried the water in the water tank in the organism when unavoidable low temperature, makes the temperature in the cylinder body can not rise fast, leads to the time that the warmup needs to become long, therefore makes the operation of engine when cold machine appear undulantly.

Disclosure of utility model

In order to meet the requirement of continuous upgrading of energy conservation, the utility model provides an optimal arrangement scheme of the integrated thermostat structure on the water inlet side of the diesel engine, thereby achieving the effects of energy conservation and noise reduction.

The technical scheme of the utility model is as follows:

An integrated temperature-saving structure on the water inlet side of a diesel engine comprises a machine body, a water inlet connecting pipe, a thermostat, a water pump, a small-cycle water return port and a machine body water return port, wherein the water inlet connecting pipe, the thermostat, the water pump, the small-cycle water return port and the machine body water return port are arranged on the machine body;

Wherein, thermostat one end sets up the water inlet and takes over, and the thermostat is arranged in the water inlet department of water pump, and water pump one side is equipped with the little circulation water return mouth, and the water pump below is equipped with the organism water return mouth, and little circulation water return mouth is located thermostat one side, and the organism water return mouth is located the thermostat below.

Further, the water inlet connecting pipe, the gasket, the thermostat and the water pump are fixed at the position of the small circulation water return port of the machine body through bolts.

Further, the water inlet pipe comprises a gasket, and the gasket is arranged between the thermostat and the water inlet pipe.

Further, the thermostat is arranged at the joint of the tail part of the water inlet pipe and the water inlet seat of the water pump body, and the water pump is connected to the machine body through a bolt.

Further, the thermostat closes to block the large circulation port.

In the application mode of the thermostat, the thermostat can be arranged at the water inlet and the water outlet of the engine according to the positions of the main circulation, can be arranged inside the cylinder cover and outside the cylinder cover according to the positions on the engine body, and is also arranged together with the water pump, but is rarely influenced by the space position.

The utility model integrates the water inlet pipe of the water pump, the thermostat, the water pump body and the machine body to a high degree, and the thermostat is arranged at the joint of the rear end of the water inlet pipe of the water pump and the water pump body by optimizing the water inlet pipe of the water pump and the water pump body to avoid the installation position of the thermostat, so that the accurate sensing of the water temperature in the machine body is realized, and the thermostat is opened and closed more sensitively.

Compared with the prior art, the utility model has the advantages that:

1. The utility model is applied to the field of engines, can quickly raise the water temperature during cooling, ensures that the engine runs stably, reduces shaking, and can shorten the engine warming time to achieve the purposes of energy conservation and emission reduction.

2. The utility model has compact structure, high integration and convenient installation, can effectively shorten the assembly process of the whole machine and reduce the production cost. The integrated design of thermostat and the water pump body, the thermostat design can be more accurate control to the engine temperature at the engine water inlet end, and both can reduce the part volume greatly together, increase the convenience of installation, can effectively practice thrift manufacturing, cost of maintenance. The small circulation water return port is integrated on the water pump body, and the structure is compact.

3. The utility model has convenient replacement and disassembly and can effectively reduce the use cost.

4. Simple structure, low cost, and can effectively reduce the cost of parts. From the perspective of engine performance, the arrangement position of the thermostat is most reasonable, and the thermostat is arranged at the water inlet of the water pump, so that the thermostat is an optimal scheme for energy conservation, emission reduction and noise reduction. The method is particularly effectively applied to the fields of commercial vehicles and passenger vehicles, and the using effect is better than that of other schemes.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of one embodiment of the present utility model;

Wherein: 1-water inlet connecting pipe, 2-gasket, 3-thermostat, 4-water pump, 5-small circulation water return port, 6-machine body and 7-machine body water return port.

Detailed Description

The following description of the embodiments will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. Based on the embodiments, all other embodiments that may be obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present application.

Unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be given the ordinary meaning as understood by one of ordinary skill in the art. The terms "first," "second," and the like, as used in this embodiment, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. "upper", "lower", "left", "right", "transverse", and "vertical", etc. are used only with respect to the orientation of the components in the drawings, these directional terms are relative terms, which are used for descriptive and clarity with respect thereto and which may vary accordingly with respect to the orientation in which the components are disposed in the drawings.

As shown in fig. 1 and 2, the integrated temperature-saving structure on the water inlet side of the diesel engine in this embodiment includes a body 6, a water inlet connection pipe 1, a gasket 2, a thermostat 3, a water pump 4, a small circulation water return port 5, and a body water return port 7 which are disposed on the body 6. The water inlet connecting pipe 1, the gasket 2, the thermostat 3 and the water pump 4 are sequentially integrated and designed and then fixed at the position of the machine body small circulation water return port 5 through bolts.

One end of the thermostat 3 is provided with a water inlet connecting pipe 1, a gasket 2 is arranged between the thermostat 3 and the water inlet connecting pipe 1, the thermostat 3 is arranged at the water inlet of the water pump 4, one side of the water pump 4 is provided with a small circulation water return port 5, the lower part of the water pump 4 is provided with a body water return port 7, the small circulation water return port 5 is positioned at one side of the thermostat 3, and the body water return port 7 is arranged below the thermostat 3.

According to the space position of the engine, the basic outline of the water pump 4 is arranged together with a water pump manufacturer, parameters such as the opening and closing temperature of a thermostat are provided, the adaptive thermostat 3 is selected, the water inlet connecting pipe 1 of the water pump and the water pump body connecting seat are optimized according to the lift and the outline size of the thermostat, the thermostat is integrated at the connecting position of the tail part of the water inlet pipe and the water inlet seat of the water pump body, and the water pump assembly is connected to the engine body 6 through bolts.

When the engine is started, the thermostat 3 is closed to block the large circulation port, water circulates only in the engine body 6, the water inlet side thermostat 3 seals the cooling liquid volume range of the engine to the minimum, the engine is quickly warmed up, and all kinematic pairs reach the optimal running state in the shortest time, so that vibration and noise are reduced, and fuel consumption is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a diesel engine side integrated form festival temperature structure that intakes which characterized in that: comprises a machine body, a water inlet connecting pipe, a thermostat, a water pump, a small circulation water return port and a machine body water return port which are arranged on the machine body;

2. The diesel engine intake side integrated type heat saving structure according to claim 1, wherein: the water inlet connecting pipe, the gasket, the thermostat and the water pump are fixed at the position of the small circulation water return port of the machine body through bolts.

3. The diesel engine intake side integrated type heat saving structure according to claim 1, wherein: the water inlet pipe is connected with the water inlet pipe through a water inlet pipe, and the water inlet pipe is connected with the water inlet pipe through a water inlet pipe.

4. The diesel engine intake side integrated type heat saving structure according to claim 1, wherein:

the thermostat is arranged at the joint of the tail part of the water inlet pipe and the water inlet seat of the water pump body, and the water pump is connected to the machine body through a bolt.

5. The diesel engine intake side integrated type heat saving structure according to claim 1, wherein: the thermostat is closed to block the large circulation port.